Product Description

Classically styled with powerful lines and featuring a precise Swiss-made automatic watch movement, the shock-resistant Invicta Grand Diver men's stainless steel watch is made for serious scuba fanatics with a water resistance rating to 300 meters (nearly 1000 feet). This large, round watch measures 47mm wide (1.85 inches) and 17mm thick (0.67 inches) and it's made from solid surgical grade stainless steel. It also offers a skeleton see-through caseback and molded diving helmet logos on the end pieces connecting the silver stainless steel bracelet band as well as on the screw-down crown. It's topped by a black unidirectional rotating elapsed time bezel with white markings. The black dial face is supplemented by Tritnite luminous dotted markers and arrowhead-style hands (with seconds hand). Other features include an anti-reflective crystal with magnifier, date function at 3 o'clock, and diver's buckle with safety clasp.

Automatic Watches

Automatic watches donot operate on batteries. Automatic watches are made up of about 130 or more parts that work together to tell time. Automatic movements mark the passage of time by a series of gear mechanisms, and are wound by the movement of your wrist as you wear it. The gear train then transmits the power to the escapement, which distributes the impulses, turning the balance wheel. The balance wheel is the time regulating organ of a mechanical watch, which vibrates on a spiral hairspring. Lengthening or shortening the balance spring makes the balance wheel go faster or slower to advance or retard the watch. The travel of the balance wheel from one extreme to the other and back again is called oscillation. Lastly, automatic movements come in different types, including movements that are Swiss-made, Japanese-made, and more.

Also referred to as self-winding, watches with automatic movements utilize kinetic energy, the swinging of your arm, to provide energy to an oscillating rotor to keep the watch ticking. They're considered more satisfying to watch collectors (horologists) because of the engineering artistry that goes into the hundreds of parts that make up the movement. If you do not wear an automatic watch consistently (for about 8 to 12 hours a day), you can keep the watch powered with a watch winder (a great gift for collectors).

An automatic watch is a mechanical watch that is self-winding. the movement of your wrist and body causes the rotor--a weight attached to an automatic winding mechanism--to wind up the watch. This automatic watch has 21 jewels that the gears turn on to protect the metal parts from grinding together. it needs no battery, but it will stop if you have been physically inactive for an extended period of time. If this happens, wind the crown ten times clockwise to start the watch and give it some reserve power.

Tritnite is a luminous material with an extended glow exclusively developed by Invicta in Switzerland and added to their timepiece hands and markers. When exposed to regular daylight, it will hold its glow for about 20 hours.

About Invicta Latin for "invincible," Invicta was founded in La Chaux-de-fonds, Switzerland in 1837 by Raphael Picard, who believed that fine Swiss timepieces could be offered at modest prices. For more than a century, the company has created distinctive manual and automatic-winding pieces. In 1991, descendants of the Picard family reaffirmed the company's founding principle, and the invigorated Invicta has been growing ever since with one of the most widely diverse collections of precise Swiss timepieces on the market.

Features & Highlights

Quality Japanese Automatic movement; Functions without a battery; Powers automatically with the movement of your arm

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